基本解釋[機械工程]杯形砂輪英漢例句雙語例句AS for the packing of the cup emery wheel , packed with the vinyl outside the box of one by one.至于杯形砂輪的包裝，請逐個在盒子外面用聚乙烯塑料膜將杯形砂輪包裝好。cup emery wheel更多例句專業(yè)釋義機械工程杯形砂輪